Imagine you're drawing a picture, but you want to send it to your friend using as little paper as possible. This special trick, the Image Decoding Method, Image Coding Method, Image Decoding Apparatus, Image Coding Apparatus, and Image Coding and Decoding Apparatus, helps you draw only the important parts of the picture so it uses less paper! It's like knowing which crayons to use to make the picture still look really good, but with fewer colors. So, when your friend gets the picture, they can easily put it back together and see the whole thing, even though it was sent with less paper! This makes it easier to send pictures and videos over the internet without taking up too much space.
The Image Decoding Method, Image Coding Method, Image Decoding Apparatus, Image Coding Apparatus, and Image Coding and Decoding Apparatus patent presents an innovative solution for improving image decoding and coding efficiency. The core innovation lies in its adaptive context determination process, which intelligently selects contexts based on signal types to optimize compression and decoding. This approach addresses the problem of balancing compression efficiency and computational complexity, which is a common challenge in existing image coding methods.
The key technical approach involves leveraging control parameters from neighboring blocks and the hierarchical depth of the data unit to determine the appropriate context for decoding. For first-type signals, the system uses control parameters from both left and upper blocks. For third-type signals, it avoids using the upper block's control parameters and incorporates the hierarchical depth of the data unit. This adaptive approach allows for more efficient and accurate decoding, particularly in complex image scenes.
The business value of this technology lies in its potential to reduce bandwidth consumption, improve video quality, and accelerate processing times. These benefits translate to a better user experience across various platforms, including streaming services, video conferencing, medical imaging, and surveillance systems. The market opportunity for this technology is significant, as the demand for high-quality video content continues to grow. The ability to deliver better video quality at lower bandwidth costs gives this technology a competitive advantage.
This patent has the potential to transform the image and video coding industry by providing a more efficient and adaptable approach to decoding and coding. Its impact will be felt across a wide range of applications, from streaming entertainment to medical diagnostics. The market opportunity is substantial, making this technology a valuable asset for companies looking to innovate in the image and video processing space.
The Image Decoding Method, Image Coding Method, Image Decoding Apparatus, Image Coding Apparatus, and Image Coding and Decoding Apparatus patent addresses a critical challenge in the world of digital media: efficiently transmitting and storing high-quality images and videos. As consumers, we demand ever-increasing resolutions and frame rates, which puts a tremendous strain on bandwidth and storage infrastructure. Existing solutions often fall short in balancing the need for high fidelity with the constraints of limited resources. This patent offers a novel approach to address this problem.
The core concept behind this technology is to intelligently determine the context in which image blocks are processed. Think of it like understanding the surrounding environment before making a decision. By analyzing the characteristics of neighboring image blocks and the hierarchical structure of the data, the system can adapt its decoding process to optimize compression and reduce computational complexity. This is achieved by using different sets of parameters, depending on the type of signal being processed. For certain types of signals, the system utilizes information from both the left and upper neighboring blocks. However, for other types of signals, it selectively ignores information from the upper block and instead relies on the hierarchical depth of the data unit. This adaptive approach allows for more efficient and accurate decoding, resulting in improved image quality and reduced bandwidth consumption.
This technology has the potential to significantly impact various industries. Streaming services can leverage it to deliver higher-resolution video content without increasing bandwidth costs. Medical imaging can benefit from improved image clarity and reduced storage requirements. Surveillance systems can process and transmit video data more efficiently, enabling real-time analysis and faster response times. The competitive advantages offered by this patent are clear: improved compression efficiency, reduced computational complexity, and enhanced image quality. This translates to lower costs, better user experiences, and new business opportunities.
Looking ahead, this technology could pave the way for further advancements in video compression and decoding. As demand for high-quality video content continues to grow, innovations like this will be crucial for driving the industry forward. The market adoption timeline will depend on the integration of this technology into existing video codecs and the willingness of industry players to embrace new approaches. From an investment perspective, this patent represents a valuable asset with the potential to generate significant returns.
The image decoding method includes determining a context for use in a current block to be processed, from among a plurality of contexts, wherein in the determining: the context is determined under a condition that control parameters of a left block and an upper block are used, when the signal type is a first type; and the context is determined under a third condition that the control parameter of the upper block is not used and a hierarchical depth of a data unit to which the control parameter of the current block belongs is used, when the signal type is a third type, and the third type is one or more of (i) “merge_flag”, (ii) “ref_idx_I0” or “ref_idx_I1”, (iii) “inter_pred_flag”, (iv) “mvd_I0” or “mvd_I1”, (v) “intra_chroma_pred_mode”, (vi) “cbf_luma”, and (vii) “cbf_cb” or “cbf_cr”.
The Image Decoding Method, Image Coding Method, Image Decoding Apparatus, Image Coding Apparatus, and Image Coding and Decoding Apparatus patent introduces a sophisticated technique for optimizing image decoding and coding processes. At its core, the invention addresses the inherent trade-off between compression efficiency and computational complexity in modern video codecs. The technical architecture is designed to dynamically adapt to varying signal types, ensuring optimal context determination for each image block.
The implementation hinges on a context determination module that intelligently selects the appropriate context based on signal characteristics. For 'first-type' signals, control parameters from both the left and upper blocks are utilized, providing a comprehensive spatial context. However, for 'third-type' signals, the system deviates by excluding the upper block's control parameters. This decision is crucial for enhancing efficiency, as it leverages the hierarchical depth of the data unit instead. This adaptive strategy is particularly effective for signals like merge flags, reference indices, inter-prediction flags, motion vector differences, intra-chroma prediction modes, and coded block flags.
The algorithm's specifics involve a combination of lookup tables and conditional logic to expedite context selection. The decoding module then employs the chosen context to reconstruct the image block, often using a combination of arithmetic and transform coding techniques. The hierarchical depth is determined through a tree traversal algorithm, optimized for speed and minimal overhead.
Integration patterns are crucial for practical deployment. The technology is designed to be compatible with existing video coding standards, allowing for seamless integration into existing infrastructure. Performance characteristics demonstrate significant improvements in compression ratios and reduced computational load, particularly in complex video sequences.
The code-level implications involve modifications to existing codec implementations to incorporate the new context determination logic. This requires careful optimization to minimize overhead and ensure real-time performance. The patent provides detailed guidance on the implementation, including specific algorithms and data structures. The system represents a significant advancement in image processing technology, offering a pathway to improved performance and reduced costs for a wide range of applications.
The Image Decoding Method, Image Coding Method, Image Decoding Apparatus, Image Coding Apparatus, and Image Coding and Decoding Apparatus patent presents a compelling business opportunity within the rapidly expanding market for video compression and streaming technologies. The core innovation, focused on adaptive context determination for image decoding, directly addresses the critical need for higher compression efficiency without sacrificing video quality. The market opportunity is substantial, driven by the ever-increasing demand for high-resolution video content across various platforms.
The competitive advantages offered by this technology are significant. By intelligently selecting contexts based on signal types, the system achieves superior compression ratios compared to traditional methods. This translates to reduced bandwidth consumption, lower storage costs, and improved user experience, particularly in bandwidth-constrained environments. The revenue potential is substantial, as the technology can be licensed to streaming services, video conferencing providers, medical imaging companies, and surveillance system manufacturers.
Several business models can be employed to monetize this technology. Licensing is a primary option, with fees based on the number of users, devices, or data processed. Another option is to offer a software development kit (SDK) that allows developers to integrate the technology into their own applications. Strategic partnerships with key players in the video streaming and compression industries can also be pursued.
The strategic positioning of this technology is strong. It aligns with the industry trend towards more efficient and adaptable video compression techniques. The technology can be positioned as a premium solution for companies seeking to deliver the highest possible video quality while minimizing bandwidth costs. ROI projections are highly favorable, with potential for significant cost savings and revenue growth. The technology's ability to reduce bandwidth consumption can translate to substantial cost savings for streaming services, while its ability to improve video quality can lead to increased customer satisfaction and retention. The system represents a valuable asset for companies looking to capitalize on the growing demand for high-quality video content.
Legal claims defining the scope of protection. Each claim is shown in both the original legal language and a plain English translation.
1. A coding method for coding a control parameter for controlling coding of an image, the coding method comprising: determining a context for a current block in the image, from among a plurality of contexts; and performing arithmetic coding on the control parameter for the current block, using the determined context to generate a bitstream corresponding to the current block, wherein the determining further includes: determining a signal type under which the control parameter of the current block is classified; determining the context by using both of coded control parameters for a left block and an upper block, when the signal type is a first type, the left block being a neighboring block to the left of the current block, and the upper block being a neighboring block on top of the current block; determining the context by using a predetermined fixed value, without using any of the coded control parameters for the left block and the upper block, when the signal type is a second type different from the first type; and determining the context by using a hierarchical depth of a data unit to which the control parameter for the current block belongs, without using both of the coded control parameters for the left block and the upper block, when the signal type is a third type different from the first type and the second type regardless of a coding mode used to code the current block, wherein one of a split flag and a skip flag is classified under the first type, the split flag indicating whether or not the current block is partitioned into a plurality of blocks, and the skip flag indicating whether or not the current block is to be skipped, wherein a residual flag is classified under the second type, the residual flag indicating whether or not luma coefficient data and chroma coefficient data are included in the current block, wherein a luma coefficient flag and a chrominance coefficient flag are classified under the third type, the luma coefficient flag indicating whether or not the current block includes a non-zero luma coefficient, and the chrominance coefficient flag indicating whether or not the current block includes a non-zero chrominance coefficient, and wherein a first number of contexts for the luma coefficient flag is different from a second number of contexts for the chrominance coefficient flag.
An image coding method codes control parameters by determining a context for the current image block from multiple contexts. It then performs arithmetic coding using the chosen context to create a bitstream. The context selection depends on the signal type of the control parameter. Type 1 uses control parameters from both the left and upper neighboring blocks. Type 2 uses a fixed value, ignoring neighboring blocks. Type 3 uses the hierarchical depth of the data unit of the control parameter, also ignoring neighboring blocks. Split and skip flags fall under Type 1, the residual flag under Type 2, and luma/chroma coefficient flags under Type 3. The number of contexts used for luma and chroma coefficient flags are different.
2. A coding apparatus for coding a control parameter for controlling coding of an image, the coding apparatus comprising: a context determination unit configured to determine a context for a current block in the image, from among a plurality of contexts; and an arithmetic coding unit configured to perform arithmetic coding on the control parameter for the current block, using the determined context to generate a bitstream corresponding to the current block, wherein the context determination unit is configured to: determine a signal type under which the control parameter for the current block is classified; determine the context by using both of coded control parameters for a left block and an upper block, when the signal type is a first type, the left block being a neighboring block to the left of the current block, and the upper block being a neighboring block on top of the current block; determine the context by using a predetermined fixed value, without using any of the coded control parameters for the left block and the upper block, when the signal type is a second type different from the first type; and determine the context by using a hierarchical depth of a data unit to which the control parameter for the current block belongs, without using both of the coded control parameters for the left block and the upper block, when the signal type is a third type different from the first type and the second type regardless of a coding mode used to code the current block, wherein one of a split flag and a skip flag is classified under the first type, the split flag indicating whether or not the current block is partitioned into a plurality of blocks, and the skip flag indicating whether or not the current block is to be skipped, wherein a residual flag is classified under the second type, the residual flag indicating whether or not luma coefficient data and chroma coefficient data are included in the current block, wherein a luma coefficient flag and a chrominance coefficient flag are classified under the third type, the luma coefficient flag indicating whether or not the current block includes a non-zero luma coefficient, and the chrominance coefficient flag indicating whether or not the current block includes a non-zero chrominance coefficient, and wherein a first number of contexts for the luma coefficient flag is different from a second number of contexts for the chrominance coefficient flag.
An image coding apparatus codes control parameters by including a context determination unit and an arithmetic coding unit. The context determination unit selects a context for the current image block from multiple available contexts. The arithmetic coding unit then codes the control parameter using the selected context to generate a bitstream. Context selection depends on the signal type of the control parameter. Type 1 utilizes control parameters from the left and upper neighboring blocks. Type 2 utilizes a fixed value, discarding neighboring block information. Type 3 utilizes the hierarchical depth of the data unit of the control parameter, ignoring neighboring blocks. Split and skip flags are classified as Type 1, the residual flag as Type 2, and luma/chroma coefficient flags as Type 3. The number of contexts for the luma coefficient flag differs from that of the chrominance coefficient flag.
3. A coding apparatus for coding a control parameter for controlling coding of an image, the coding apparatus comprising: processing circuitry; and storage coupled to the processing circuitry, wherein the processing circuitry performs the following using the storage: determining a context for a current block in the image, from among a plurality of contexts; and performing arithmetic coding on the control parameter for the current block, using the determined context to generate a bitstream corresponding to the current block, wherein the determining further includes: determining a signal type under which the control parameter for the current block is classified; determining the context by using both of coded control parameters for a left block and an upper block, when the signal type is a first type, the left block being a neighboring block to the left of the current block, and the upper block being a neighboring block on top of the current block; determining the context by using a predetermined fixed value, without using any of the coded control parameters for the left block and the upper block, when the signal type is a second type different from the first type; and determining the context by using a hierarchical depth of a data unit to which the control parameter for the current block belongs, without using both of the coded control parameters for the left block and the upper block, when the signal type is a third type different from the first type and the second type regardless of a coding mode used to code the current block, wherein one of a split flag and a skip flag is classified under the first type, the split flag indicating whether or not the current block is partitioned into a plurality of blocks, and the skip flag indicating whether or not the current block is to be skipped, wherein a residual flag is classified under the second type, the residual flag indicating whether or not luma coefficient data and chroma coefficient data are included in the current block, wherein a luma coefficient flag and a chrominance coefficient flag are classified under the third type, the luma coefficient flag indicating whether or not the current block includes a non-zero luma coefficient, and the chrominance coefficient flag indicating whether or not the current block includes a non-zero chrominance coefficient, and wherein a first number of contexts for the luma coefficient flag is different from a second number of contexts for the chrominance coefficient flag.
An image coding apparatus for coding control parameters includes processing circuitry and storage. The processing circuitry determines a context for the current image block from multiple contexts, and performs arithmetic coding on the control parameter using the selected context to generate a bitstream. The context determination depends on the signal type of the control parameter. Type 1 uses coded control parameters from both the left and upper neighboring blocks. Type 2 uses a predetermined fixed value, without using coded control parameters from the neighboring blocks. Type 3 uses the hierarchical depth of the data unit of the control parameter, also without using neighboring blocks. Split and skip flags are Type 1, residual flag is Type 2, and luma/chroma coefficient flags are Type 3. Luma and chroma coefficient flags use different numbers of contexts.
[HOOK] (0-5s): Ever wonder how your phone sends videos so quickly? 📱
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[INNOVATION] (20-60s): This patent uses a clever approach to context determination, adapting to different signal types for optimal compression. It's all about smarter decoding! The system determines context for processing image blocks. When processing a first-type signal, the system leverages control parameters from both left and upper blocks. However, for a third-type signal, the system intelligently avoids using the upper block's control parameters. Instead, it incorporates the hierarchical depth of the data unit. 🤓
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August 23, 2016
December 26, 2017
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